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SHENSHI Copper Core Hybrid Exchanger Durable Plastic-Steel HVAC & Refrig
10YRSHangzhou Shenshi Energy Conservation Technology Co., Ltd.
spiral Welded steel pipe mill(can oem odm obm)
5YRSTianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd.
3YRSZhejiang Alead Plastic Tech Co., Ltd.
7YRSTianjin Youfa International Trade Co., Ltd.
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